JP2018066738A - Mechanical timepiece movement with resonator having two degrees of freedom with maintaining mechanism using runner rolling on track - Google Patents

Mechanical timepiece movement with resonator having two degrees of freedom with maintaining mechanism using runner rolling on track Download PDF

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JP2018066738A
JP2018066738A JP2017199152A JP2017199152A JP2018066738A JP 2018066738 A JP2018066738 A JP 2018066738A JP 2017199152 A JP2017199152 A JP 2017199152A JP 2017199152 A JP2017199152 A JP 2017199152A JP 2018066738 A JP2018066738 A JP 2018066738A
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movement
resonator
track
crank
freedom
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JP6420440B2 (en
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パスカル・ウィンクレ
Winkler Pascal
ドメニコ ジャンニ・ディ
Di Domenico Gianni
ドメニコ ジャンニ・ディ
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ETA SA Manufacture Horlogere Suisse
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    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B18/00—Mechanisms for setting frequency
    • G04B18/04—Adjusting the beat of the pendulum, balance, or the like, e.g. putting into beat
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/04—Oscillators acting by spring tension
    • G04B17/06—Oscillators with hairsprings, e.g. balance
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B1/00—Driving mechanisms
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B15/00—Escapements
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B15/00—Escapements
    • G04B15/02—Escapements permanently in contact with the regulating mechanism
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B15/00—Escapements
    • G04B15/14—Component parts or constructional details, e.g. construction of the lever or the escape wheel
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/04—Oscillators acting by spring tension
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/04—Oscillators acting by spring tension
    • G04B17/045—Oscillators acting by spring tension with oscillating blade springs
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/04—Oscillators acting by spring tension
    • G04B17/06—Oscillators with hairsprings, e.g. balance
    • G04B17/063—Balance construction
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/04—Oscillators acting by spring tension
    • G04B17/08—Oscillators with coil springs stretched and unstretched axially
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/20—Compensation of mechanisms for stabilising frequency
    • G04B17/26—Compensation of mechanisms for stabilising frequency for the effect of variations of the impulses
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/20—Compensation of mechanisms for stabilising frequency
    • G04B17/28—Compensation of mechanisms for stabilising frequency for the effect of imbalance of the weights, e.g. tourbillon
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/32—Component parts or constructional details, e.g. collet, stud, virole or piton
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B31/00—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor
    • G04B31/02—Shock-damping bearings
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/08—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Micromachines (AREA)
  • Electric Clocks (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a timepiece movement that eliminates jerky motion from a maintaining mechanism, particularly an escapement mechanism, of a resonator, making it possible to increase the efficiency of the maintaining mechanism.SOLUTION: A timepiece movement for a mechanical watch comprises, arranged on a main plate 1, a resonator mechanism 100 with two degrees of freedom, and a maintaining mechanism 200 subjected to the torque of driving means comprised in the movement. The maintaining mechanism 200 is a continuous maintaining mechanism, and includes a crank 7 movable about a crank rotational axis DM. The crank 7 includes, on the crank rotational axis DM, an axial element 71 subjected to the torque of the driving means and off-center relative to the crank rotational axis, and a crankpin which is arranged to travel on a track 82 of a stiff ring 8 comprised in the resonator mechanism 100, the stiff ring 8 being movable in the two degrees of freedom.SELECTED DRAWING: Figure 1

Description

本発明は、機械式時計のための計時器ムーブメントに関し、計時器ムーブメントは、地板上に配置した、共振器機構、及び前記ムーブメント内に備えた駆動手段のトルクを受ける維持機構を備える。   The present invention relates to a timepiece movement for a mechanical timepiece, and the timepiece movement includes a resonator mechanism disposed on a main plate and a maintenance mechanism that receives torque of driving means provided in the movement.

本発明は、少なくとも１つのそのようなムーブメントを含む機械式時計にも関する。   The invention also relates to a mechanical timepiece including at least one such movement.

本発明は、機械式時計の時間基準を生成する共振器機構の分野に関する。   The present invention relates to the field of resonator mechanisms for generating time bases for mechanical watches.

現在の機械式時計の多くは、時計の時間基準を生成するてんぷ／ひげぜんまい型共振器、及び脱進機機構、一般にスイス・レバー脱進機、を含み、脱進機機構は、２つの機能：
共振器の前後運動を維持すること；
こうした前後運動を計数すること
を実行する。 Many of the current mechanical watches include a balance / spring balance generator that generates the time base of the watch, and an escapement mechanism, typically a Swiss lever escapement, which has two functions :
Maintaining the longitudinal motion of the resonator;
Counting these back and forth movements is performed.

脱進機は、強固で、衝撃に耐えなければならず、ムーブメントの詰まり（振り当たり）を回避するように考案されている。   The escapement must be strong and able to withstand impacts and is designed to avoid clogging the movement.

機械式共振器は、少なくとも１つの慣性要素及び１つの弾性戻り要素を組み合わせたものである。ひげぜんまい付きてんぷにおいて、ひげぜんまいは、てんぷによって形成した慣性要素のための弾性戻り要素として作用する。   A mechanical resonator is a combination of at least one inertial element and one elastic return element. In a balance with a hairspring, the hairspring acts as an elastic return element for the inertial element formed by the balance.

てんぷは、従来、平滑ルビー軸受内で回転する枢動部により回転状態で案内される。このことは、摩擦、したがってエネルギー損失及び動作妨害を生じさせるため、摩擦の除去が求められている。この損失は、品質係数、Ｑにより特徴付けられる。Ｑ値を最大にすることが求められている。   The balance with hairspring is conventionally guided in a rotating state by a pivoting portion that rotates in a smooth ruby bearing. Since this causes friction and thus energy loss and operational disturbance, friction removal is sought. This loss is characterized by a quality factor, Q. There is a need to maximize the Q value.

スイス・レバー脱進機は、エネルギー効率が低い（約３０％）。この効率の低さは、脱進機の運動がぎくしゃくとしたものであるという事実、（機械加工誤差に適合しようとして振り切りを起こし）「駄目になる」こと、及び更にはいくつかの構成要素が、傾斜平面を介して構成要素の運動を伝達するため互いに擦れるということによるものである。   The Swiss lever escapement has low energy efficiency (about 30%). This inefficiency is due to the fact that the movement of the escapement is jerky, “wasted” by trying to adapt to machining errors, and even some components This is due to the fact that they rub against each other to transmit the movement of the components through the inclined plane.

ＥＴＡ Ｍａｎｕｆａｃｔｕｒｅ Ｈｏｒｌｏｇｅｒｅ Ｓｕｉｓｓｅ名義の欧州特許出願第２９０８１８９号は、歯車列を有する２つの計時器発振器を同期させる機構を開示しており、計時器調整機構は、地板に対し少なくとも１つの枢動運動で移動するように組み付けた、歯車列を介して駆動トルクを受け入れるように構成したがんぎ車、及び第１の弾性戻り手段によって地板に接続した第１の硬質構造体を備える第１の発振器を備える。この調整機構は、第２の発振器を含み、第２の発振器は、第２の弾性戻り手段によって第１の硬質構造体に接続した第２の硬質構造体を備え、がんぎ車内に備えた相補形軸受手段と協働するように構成した軸受手段を含み、がんぎ車は、歯車列を有する第１の発振器と第２の発振器とを同期させる。   European Patent Application No. 2908189, in the name of ETA Manufacture Horlogere Suisse, discloses a mechanism for synchronizing two timer oscillators with a gear train, the timer adjustment mechanism moving in at least one pivotal movement relative to the ground plane And a first oscillator including a escape wheel configured to receive a driving torque via a gear train and a first hard structure connected to the ground plane by a first elastic return means. . The adjusting mechanism includes a second oscillator, and the second oscillator includes a second hard structure connected to the first hard structure by the second elastic return means, and is provided in the escape wheel. The bearing wheel includes bearing means configured to cooperate with the complementary bearing means, and the escape wheel synchronizes the first oscillator having the gear train and the second oscillator.

ＥＴＡ Ｍａｎｕｆａｃｔｕｒｅ Ｈｏｒｌｏｇｅｒｅ Ｓｕｉｓｓｅ名義の欧州特許出願第３０５４３５８号は、計時器発振器を開示しており、計時器発振器は、構造体、及び時間的、幾何学的に偏移する個別の主要共振器を含み、主要共振器のそれぞれは、弾性戻り手段によって構造体に向かって戻る錘を備える。この計時器発振器は、主要共振器の間で相互作用する結合手段を含み、結合手段は、車セットを運動状態で駆動する駆動手段を含み、車セットは、伝達手段に連接された制御手段を駆動、案内するように構成した駆動・軸受手段を含み、伝達手段はそれぞれ、制御手段からある距離で主要共振器の錘に連接され、主要共振器及び車セットは、主要共振器のうちいずれか２つの連接軸と、制御手段の連接軸とが決して同一平面上にないように配置されている。   European Patent Application No. 3054358, in the name of ETA Manufacture Horloge Suisse, discloses a timer oscillator, which comprises a structure and individual main resonators that are temporally and geometrically shifted, Each of the main resonators includes a weight that returns toward the structure by elastic return means. The timer oscillator includes coupling means for interacting between the main resonators, the coupling means includes drive means for driving the vehicle set in motion, and the vehicle set includes control means connected to the transmission means. Drive and bearing means configured to drive and guide, each transmitting means being connected to the weight of the main resonator at a distance from the control means, and the main resonator and the vehicle set are either of the main resonators The two connecting shafts and the connecting shaft of the control means are arranged so that they are never on the same plane.

欧州特許出願第２９０８１８９号European Patent Application No. 2908189 欧州特許出願第３０５４３５８号European Patent Application No. 3054358

共振器の維持機構、特に脱進機機構のぎくしゃくとした動きを除去し、この維持機構の効率を増大させることが本発明の目的である。   It is an object of the present invention to eliminate the jerky movement of the resonator maintenance mechanism, particularly the escapement mechanism, and to increase the efficiency of this maintenance mechanism.

この目的を達成するために、連続的な相互作用を可能にする機構、したがって共振器と維持車セット、特にがんぎ車との間にぎくしゃくとした動きのない機構を提案する。このことを達成するために、共振器は、第２の自由度の使用が可能でなければならず、第２の自由度は、第１の自由度に対し位相がずれている位相である。   To achieve this goal, we propose a mechanism that allows continuous interaction, and thus a mechanism that does not have a jerky movement between the resonator and the maintenance wheel set, in particular the escape wheel. To accomplish this, the resonator must be able to use the second degree of freedom, which is a phase that is out of phase with respect to the first degree of freedom.

したがって、本発明は、機械式時計のための計時器ムーブメントに関し、計時器ムーブメントは、地板上に配置した、２つの自由度を有する共振器機構、及び前記ムーブメント内に備えた駆動手段のトルクを受ける維持機構を備え、前記維持機構は、連続維持機構であり、クランク回転軸周りに移動可能なクランクを含み、クランクは、前記クランク回転軸上に、前記駆動手段のトルクを受け前記クランク回転軸に対し偏心する軸要素、前記共振器機構内に備えた剛性リングの軌道上を進行するように構成したクランクピンを含み、前記剛性リングは、前記２つの自由度で移動可能であることを特徴とする。   Therefore, the present invention relates to a timepiece movement for a mechanical timepiece, and the timepiece movement has a resonator mechanism having two degrees of freedom arranged on a main plate and a torque of a driving means provided in the movement. And a maintenance mechanism that is a continuous maintenance mechanism, and includes a crank that is movable around a crank rotation shaft. The crank receives the torque of the driving means on the crank rotation shaft, and the crank rotation shaft. A crank pin configured to travel on the path of a rigid ring provided in the resonator mechanism, and the rigid ring is movable in the two degrees of freedom. And

本発明は、少なくとも１つのそのようなムーブメントを含む機械式時計にも関する。   The invention also relates to a mechanical timepiece including at least one such movement.

本発明の他の特徴及び利点は、図面を参照する以下の詳細な説明を読めば明らかになるであろう。   Other features and advantages of the present invention will become apparent upon reading the following detailed description with reference to the drawings.

本発明によるムーブメントの概略部分平面図であり、ムーブメントは、２つの自由度を有する共振器、及び本発明による連続維持機構を備え、同一平面変形形態では、維持機構は、駆動手段又は香箱（図示せず）によって駆動されるクランクを含み、クランクは、共振器の慣性要素と一体であるリングの軌道、ここではボア、の上を転動する偏心クランクピンを支持する。FIG. 2 is a schematic partial plan view of a movement according to the invention, the movement comprising a resonator with two degrees of freedom and a continuous maintenance mechanism according to the invention, in a coplanar variant, the maintenance mechanism being a drive means or barrel (see FIG. (Not shown), which supports an eccentric crankpin that rolls over a ring track, here a bore, integral with the inertial element of the resonator. クランクの偏心クランクピン上で滑り子を自由回転状態で支持する特定のクランク変形形態の概略斜視図である。FIG. 5 is a schematic perspective view of a particular crank variant that supports a slider in a free rotating state on an eccentric crankpin of the crank. 図１と同様の図であり、クランクピンの軌道は、リングのボアと、やはりリング内に備えた同心ハブとの間に延在する溝に制限されている。FIG. 2 is a view similar to FIG. 1 in which the crankpin track is limited to a groove extending between the bore of the ring and a concentric hub also provided within the ring. 可撓性条片を有する共振器の特定の変形形態の概略斜視図であり、２つの自由度は、共振器の慣性要素の平面内でムーブメントを画定する。FIG. 5 is a schematic perspective view of a particular variation of a resonator with flexible strips, the two degrees of freedom defining a movement in the plane of the resonator inertial element. ２つの自由度が共振器の慣性要素の慣性中心周りの回転であるケースの概略斜視図である。FIG. 6 is a schematic perspective view of a case in which two degrees of freedom are rotations about the center of inertia of the inertial element of the resonator. 特定の「ずれた平面の」変形形態の概略斜視図であり、クランクピンは、平坦であってもはや図１、図３及び図４のように円筒形ではない軌道上で接線方向に転動する。FIG. 6 is a schematic perspective view of a particular “off-plane” variant, where the crankpin rolls tangentially on a flat and no longer cylindrical track as in FIGS. 1, 3 and 4. . 本発明によるムーブメントの概略部分平面図であり、共振器は、２つの慣性要素を含み、２つの慣性要素は、４分の１期間の時間位相偏移を伴って発振し、それぞれ、慣性要素の運動に直交する方向で、図１のリングに可撓接続し、各慣性要素は、２つの交差条片によってムーブメントの地板に接続している。1 is a schematic partial plan view of a movement according to the invention, in which the resonator comprises two inertial elements, which oscillate with a time phase shift of a quarter period, each of the inertial elements In a direction perpendicular to the movement, it is flexibly connected to the ring of FIG. 1, each inertial element being connected to the main plate of the movement by two intersecting strips. 本発明の別の変形形態による、弾性戻り手段と組み合わせた軸受手段も備えるムーブメントの組立概略斜視図であり、地板は、交差可撓性条片を有する弾性接続手段によって、実質的に十字形状の慣性要素を支持し、慣性要素は、上側環状軌道を備え、上側環状軌道の上を、維持車セットの切欠き内部に収容した滑り子が転動し、維持車セットは、地板の筐体及び棒材（図示せず）内を枢動し、この滑り子は、慣性要素上に偏心推力を付与し、慣性要素は、歳差回転運動を受ける。FIG. 5 is an assembled schematic perspective view of a movement also comprising bearing means in combination with elastic return means according to another variant of the invention, wherein the main plate is substantially cruciform by elastic connecting means having cross-flexible strips. An inertial element is supported, and the inertial element includes an upper annular track, and a slider accommodated inside the notch of the maintenance vehicle set rolls on the upper annular track, and the maintenance vehicle set includes a base plate housing and Pivoting in a bar (not shown), this slider imparts an eccentric thrust on the inertial element, which is subject to precessing rotational motion. 本発明の別の変形形態による、弾性戻り手段と組み合わせた軸受手段も備えるムーブメントの分解概略斜視図である。FIG. 6 is an exploded schematic perspective view of a movement also comprising bearing means combined with elastic return means according to another variant of the invention. 実験測定値の図表であり、図表は、横座標上のトルクの関数として、振幅Ａ、調整出力ＰＲ、比率Ｍ、及び効率Ｒを表す。FIG. 4 is a chart of experimental measurements, which represents amplitude A, adjustment output PR, ratio M, and efficiency R as a function of torque on the abscissa. そのようなムーブメントを含む時計を表すブロック図である。It is a block diagram showing the timepiece including such a movement.

本発明は、ムーブメント５００を備える機械式時計１０００に関し、ムーブメント５００は、地板１上に組み付けた、２つの自由度、第１の自由度ＤＤＬ１及び第２の自由度ＤＤＬ２を有する共振器１００、並びにムーブメント５００内に備えた駆動手段３００のトルクを受ける維持機構２００を含む。   The present invention relates to a mechanical timepiece 1000 including a movement 500, which includes a resonator 100 having two degrees of freedom, a first degree of freedom DDL1 and a second degree of freedom DDL2, assembled on a main plate 1. A maintenance mechanism 200 that receives the torque of the driving means 300 provided in the movement 500 is included.

本発明によれば、特に図１に見られるように、この維持機構２００は、連続維持機構であり、クランク回転軸ＤＭ周りに移動可能なクランク７を含み、クランク７は、特にがんぎ車４又は同様のものの上で駆動手段３００のトルクを受ける軸要素７１をクランク回転軸ＤＭ上に含む。クランク７は、クランク回転軸ＤＭに対し偏心するクランクピン７２を含む。このクランクピン７２は、共振器機構１００内に備えた剛性リング８の軌道８２に沿って進行するように構成する。   According to the present invention, as can be seen particularly in FIG. 1, this maintenance mechanism 200 is a continuous maintenance mechanism and includes a crank 7 that is movable around a crank rotation axis DM, the crank 7 being in particular a escape wheel. A shaft element 71 that receives the torque of the drive means 300 on 4 or the like is included on the crankshaft DM. The crank 7 includes a crank pin 72 that is eccentric with respect to the crank rotation axis DM. The crank pin 72 is configured to travel along the track 82 of the rigid ring 8 provided in the resonator mechanism 100.

この剛性リング８は、２つの自由度で移動可能である。   The rigid ring 8 is movable with two degrees of freedom.

より詳細には、リング８は、２つの自由度により画定した平面Ｐ内で移動可能である。   More specifically, the ring 8 is movable in a plane P defined by two degrees of freedom.

より詳細には、この剛性リング８は、２つの自由度で弾性戻り手段３の作用を受ける。   More specifically, this rigid ring 8 is subjected to the action of the elastic return means 3 with two degrees of freedom.

より詳細には、図１、図３、図４及び図７にみられる「同一平面」変形形態において、軌道８２は、平面Ｐに直交する輪郭軸ＤＣを中心に旋回するものである。   More specifically, in the “coplanar” variant seen in FIGS. 1, 3, 4 and 7, the track 82 pivots about a contour axis DC orthogonal to the plane P.

より詳細には、軌道８２は円筒形である。   More particularly, the track 82 is cylindrical.

図４は、１つのそのような同一平面変形形態を示し、慣性要素２、支持リング８は、中間部品９に平行な２つの可撓性条片３Ｙによって懸架されており、中間部品９は、互いに平行であるが条片３Ｙに直交する２つの可撓性条片３Ｘによって地板１に懸架されている。   FIG. 4 shows one such coplanar variant, in which the inertial element 2, the support ring 8 is suspended by two flexible strips 3Y parallel to the intermediate part 9, the intermediate part 9 being The base plate 1 is suspended by two flexible strips 3X that are parallel to each other but orthogonal to the strip 3Y.

図６に見られる「ずれた平面の」変形形態では、軌道８２は平坦である。   In the “displaced plane” variant seen in FIG. 6, the track 82 is flat.

より詳細には、クランクの回転軸ＤＭは、平面Ｐに直交する。   More specifically, the rotation axis DM of the crank is orthogonal to the plane P.

より詳細には、同一平面変形形態では、クランクピン７２は、平面Ｐに直交するクランクピン軸ＤＧ周りに旋回対称性を有する。   More specifically, in the same plane deformation form, the crankpin 72 has a rotational symmetry around the crankpin axis DG orthogonal to the plane P.

より詳細には、ずれた平面の変形形態では、クランクピン７２は、平面Ｐに平行なクランクピン軸ＤＧ周りに旋回対称性を有する。   More specifically, in an offset plane variant, the crankpin 72 has pivotal symmetry about the crankpin axis DG parallel to the plane P.

クランクピン７２は、有利には、最小の摩擦のために、クランクピン軸ＤＧ周りに旋回する滑り子７４を含み、滑り子７４は、クランクピン軸ＤＧ周りを自由に回り、滑り子７４の縁部は、軌道８２に沿って進行する。   The crankpin 72 advantageously includes a slider 74 that pivots about the crankpin axis DG for minimal friction, and the slider 74 is free to rotate about the crankpin axis DG and the edge of the slider 74. The part travels along the track 82.

より詳細には、軌道８２上を進行するクランクピン７２の部品は、ルビーから作製する。   More specifically, the part of the crankpin 72 traveling on the track 82 is made from ruby.

図３の変形形態では、軌道８２は、剛性リング８の内側軌道であり、剛性リング８は、内側に、輪郭８２からある距離でハブ８３を含み、ハブ８３は、軌道８２と共に、クランクピン７２を内部で移動させる溝８４を画定し、溝８４は、衝撃の際又は共振器１００の２つの自由度の間の位相偏移の際にクランク７と共振器１００との間のあらゆる断絶を防止する安全デバイスを形成する。   In the variant of FIG. 3, the track 82 is an inner track of the rigid ring 8, and the rigid ring 8 includes a hub 83 on the inside at a distance from the contour 82, and the hub 83 together with the track 82 is a crankpin 72. Is defined, which prevents any disconnection between the crank 7 and the resonator 100 upon impact or upon a phase shift between the two degrees of freedom of the resonator 100. To form a safety device.

より詳細には、軌道８２及びハブ８３は、同心である。   More specifically, the track 82 and the hub 83 are concentric.

図５の特定のケースでは、共振器１００の２つの自由度は、リング８を含む共振器１００の慣性要素２の慣性中心ＣＩ周りの回転である。   In the particular case of FIG. 5, the two degrees of freedom of the resonator 100 are rotations about the center of inertia CI of the inertial element 2 of the resonator 100 including the ring 8.

特定の有利な変形形態では、第１の自由度ＤＤＬ１における共振器機構１００の発振期間、及び第２の自由度ＤＤＬ２における共振器機構１００の発振期間は、実質的に同一である。より詳細には、これらの期間は等しい。   In a particular advantageous variant, the oscillation period of the resonator mechanism 100 in the first degree of freedom DDL1 and the oscillation period of the resonator mechanism 100 in the second degree of freedom DDL2 are substantially the same. More specifically, these periods are equal.

図示しない特定の変形形態では、共振器機構１００は、リング８を備える慣性要素２を含み、慣性要素は、慣性及び不平衡を調節する慣性ブロックを含む。   In a particular variant, not shown, the resonator mechanism 100 includes an inertial element 2 with a ring 8, which includes an inertial block that adjusts inertia and unbalance.

特定の変形形態では、共振器機構１００は、リング８に強固に接続するか又はリング８によって形成した単一の慣性要素２を含む。   In a particular variant, the resonator mechanism 100 comprises a single inertial element 2 that is rigidly connected to or formed by the ring 8.

図７により示す特定の変形形態では、共振器機構１００は、２つの慣性要素２Ａ、２Ｂを含み、慣性要素２Ａ、２Ｂは、４分の１期間の時間位相偏移を伴って発振し、それぞれ、関係する慣性要素２Ａ、２Ｂが発振する方向に直交する方向で、リング８に可撓接続している。   In the particular variant illustrated by FIG. 7, the resonator mechanism 100 includes two inertial elements 2A, 2B, which oscillate with a time phase shift of a quarter period, The inertial elements 2A, 2B concerned are flexibly connected to the ring 8 in a direction perpendicular to the direction in which the inertial elements 2A, 2B oscillate.

より詳細には、各慣性要素２Ａ、２Ｂは、交差条片３１、３２を有する可撓性軸受により地板１に接続しており、交差条片３１、３２は、関係する慣性要素２Ａ、２Ｂの慣性中心ＣＩを通過する仮想回転軸を画定する。   More specifically, each inertial element 2A, 2B is connected to the ground plane 1 by a flexible bearing having cross strips 31, 32, which cross strips 31, 32 are connected to the associated inertial elements 2A, 2B. A virtual axis of rotation passing through the center of inertia CI is defined.

一変形形態では、２つの自由度を有する共振器機構１００は、可撓性軸受を有する共振器であり、可撓性軸受は、可撓性条片を備え、可撓性条片は、共振器１００の少なくとも１つの慣性要素２及び／又はリング８を案内し、この慣性要素２及び／又はこのリング８の弾性戻りを保証するように構成する。   In one variation, the resonator mechanism 100 having two degrees of freedom is a resonator having a flexible bearing, the flexible bearing comprising a flexible strip, the flexible strip being resonant. The at least one inertial element 2 and / or the ring 8 of the vessel 100 are guided and configured to ensure an elastic return of the inertial element 2 and / or the ring 8.

特定の変形形態では、可撓性条片は、「エリンバ」から作製する。   In a particular variation, the flexible strip is made from "Elinger".

特定の変形形態では、可撓性条片は、温度による影響を補償するように酸化シリコンから作製する。   In a particular variation, the flexible strip is made from silicon oxide to compensate for the effects of temperature.

有利には、図面に示すように、弾性戻り手段は、枢動部のない回転可撓性軸受によって形成する。   Advantageously, as shown in the drawing, the elastic return means is formed by a rotary flexible bearing without a pivot.

本発明の特定の実装形態では、弾性戻り手段は一緒に、一体式構成要素を形成する。   In a particular implementation of the invention, the elastic return means together form an integral component.

図面に示す本発明の特定の実施形態では、弾性戻り手段は、２つの条片を有する可撓性軸受を含み、２つの条片は、同じ平面で交差するか、又は条片は、２つの近接する平行な平面に位置し、条片の突出部は、平行な平面で交差する。   In the particular embodiment of the invention shown in the drawings, the elastic return means comprises a flexible bearing having two strips, the two strips intersecting in the same plane, or the strips are two Located in adjacent parallel planes, the protrusions of the strips intersect at parallel planes.

２つの条片を有する可撓性軸受のこの変形形態では、２つの条片の実点又は突出する交差点は、有利には、２つの条片の長さの０．１２から０．１４倍の点に位置し、これらの条片は、６０から８０度の間に含まれる角度を条片の間に形成する。   In this variant of a flexible bearing with two strips, the real or protruding intersection of the two strips is advantageously between 0.12 and 0.14 times the length of the two strips Located at points, these strips form an angle between the strips that is comprised between 60 and 80 degrees.

図８に示す一変形形態では、維持機構２００は、滑り子４５を案内するように構成した穴４２を有する駆動手段４０を含む。この滑り子４５は、慣性要素２内に備えた環状軌道２５０上を転動するように構成し、前記軌道２５０は、相補形連続駆動手段２０を形成する。したがって、滑り子４５は、慣性要素への偏心力、及び歳差運動を慣性要素２に付与する傾向があるトルクを付与する。歳差運動とは、コイン若しくは皿のように、トルクのために平らな表面上を回るものであるか、又はジャイロスコープ若しくはこまのようなものである。この場合、連続維持機構は、リング支持環状軌道２５０から形成し、滑り子４５を有する車４によって歳差運動で駆動される慣性要素２と一体であり、滑り子４５は、駆動手段３００のトルク、特に少なくとも１つの香箱のトルクを受け、車４は、２つの可撓回転の回転軸によって画定した平面に直交する軸周りに回転する。   In one variation shown in FIG. 8, the maintenance mechanism 200 includes drive means 40 having a hole 42 configured to guide the slider 45. The slider 45 is configured to roll on an annular track 250 provided in the inertial element 2, and the track 250 forms the complementary continuous drive means 20. Accordingly, the slider 45 applies an eccentric force to the inertia element and a torque that tends to apply precession to the inertia element 2. Precession is something that turns on a flat surface for torque, like a coin or dish, or something like a gyroscope or top. In this case, the continuous maintenance mechanism is formed from the ring-supporting annular track 250 and is integral with the inertial element 2 driven by precession by the vehicle 4 having the slider 45, and the slider 45 is the torque of the driving means 300. In particular, under the torque of at least one barrel, the wheel 4 rotates about an axis perpendicular to the plane defined by the two rotational axes of flexible rotation.

本発明は、計時器、特に１つのそのようなムーブメント５００を含む機械式時計１０００にも関する。   The invention also relates to a timepiece, in particular a mechanical timepiece 1000 including one such movement 500.

図１０は、実験測定値を図表形式で示すものであり、図表は、横座標上のマイクロＮｍ単位のトルクの関数として、ｍｍ単位の振幅Ａ、ｍＷ単位の調整出力ＰＲ、１日ごとの秒単位の比率Ｍ、及び％単位の効率Ｒを表す。システムは、広範なトルクにわたって機能し、効率は９８％に近いことがわかる。この脱進機システムによる損失は、トルクにかなり大規模に依存するが、トルクは、戻りばねの非線形性によって相殺することができる。   FIG. 10 shows the experimental measurements in graphical form, which shows the amplitude A in mm, the adjusted output PR in mW, the seconds per day as a function of the torque in micro Nm on the abscissa. The unit ratio M and the efficiency R in% units are represented. It can be seen that the system works over a wide range of torques and the efficiency is close to 98%. Although the loss due to this escapement system is quite dependent on the torque, the torque can be offset by the non-linearity of the return spring.

要約すると、本発明は、以下の特定の利点を提供する：
−枢動部を可撓性軸受と取り替えることによって、共振器による枢動摩擦をなくし、品質係数の増大を可能にすること；
−連続維持により、維持機構によるぎくしゃくとした動きをなくし、維持機構の効率、特に維持機構が脱進機機構である場合に脱進機の効率の増大を可能にする。 In summary, the present invention provides the following specific advantages:
-By replacing the pivot part with a flexible bearing, eliminating pivoting friction by the resonator and allowing an increase in the quality factor;
-Continuous maintenance eliminates jerky movements by the maintenance mechanism and allows for increased efficiency of the maintenance mechanism, particularly when the maintenance mechanism is an escapement mechanism.

１ 地板
３ 弾性戻り手段
７ クランク
８ リング
７１ 軸要素
７２ クランクピン
８２ 軌道
１００ 共振器機構
２００ 維持機構
３００ 駆動手段
５００ 計時器ムーブメント
１０００ 機械式時計 DESCRIPTION OF SYMBOLS 1 Ground plane 3 Elastic return means 7 Crank 8 Ring 71 Shaft element 72 Crank pin 82 Orbit 100 Resonator mechanism 200 Maintenance mechanism 300 Drive means 500 Timer movement 1000 Mechanical timepiece

Claims (23)

機械式時計（１０００）のための計時器ムーブメント（５００）であって、地板（１）上に配置した、２つの自由度を有する共振器機構（１００）、及び前記ムーブメント（５００）内に備えた駆動手段（３００）のトルクを受ける維持機構（２００）を備える計時器ムーブメント（５００）において、前記維持機構（２００）は、連続維持機構であり、クランク回転軸（ＤＭ）周りに移動可能なクランク（７）を含み、前記クランク（７）は、前記クランク回転軸（ＤＭ）上に、前記駆動手段（３００）のトルクを受け前記クランク回転軸（ＤＭ）に対し偏心する軸要素（７１）、前記共振器機構（１００）内に備えた剛性リング（８）の軌道（８２）上を進行するように構成したクランクピン（７２）を含み、前記剛性リング（８）は、前記２つの自由度で移動可能であることを特徴とする、計時器ムーブメント（５００）。   A timepiece movement (500) for a mechanical timepiece (1000) comprising a resonator mechanism (100) having two degrees of freedom arranged on a main plate (1), and the movement (500). In the timer movement (500) provided with the maintenance mechanism (200) that receives the torque of the driving means (300), the maintenance mechanism (200) is a continuous maintenance mechanism and is movable around the crank rotation axis (DM). The crank (7) includes a crank (7), and the crank (7) receives the torque of the drive means (300) on the crank rotation shaft (DM) and is eccentric with respect to the crank rotation shaft (DM). A crank pin (72) configured to travel on a track (82) of a rigid ring (8) provided in the resonator mechanism (100), the rigid ring (8) Characterized in that it is movable serial two degrees of freedom, timepiece movement (500). 前記剛性リング（８）は、弾性戻り手段（３）の作用を受けることを特徴とする、請求項１に記載のムーブメント（５００）。   Movement (500) according to claim 1, characterized in that the rigid ring (8) is subjected to the action of elastic return means (3). 前記剛性リング（８）は、平面（Ｐ）内を移動可能であることを特徴とする、請求項１に記載のムーブメント（５００）。   Movement (500) according to claim 1, characterized in that the rigid ring (8) is movable in a plane (P). 前記軌道（８２）は、前記平面（Ｐ）に直交する輪郭軸（ＤＣ）周りを旋回するものであることを特徴とする、請求項１に記載のムーブメント（５００）。   The movement (500) according to claim 1, characterized in that the trajectory (82) swivels around a contour axis (DC) perpendicular to the plane (P). 前記軌道（８２）は円筒形であることを特徴とする、請求項４に記載のムーブメント（５００）。   The movement (500) according to claim 4, characterized in that the track (82) is cylindrical. 前記軌道（８２）は平坦であることを特徴とする、請求項４に記載のムーブメント（５００）。   5. Movement (500) according to claim 4, characterized in that the track (82) is flat. 前記クランク回転軸（ＤＭ）は、前記平面（Ｐ）に直交することを特徴とする、請求項１に記載のムーブメント（５００）。   The movement (500) according to claim 1, characterized in that the crank rotation axis (DM) is orthogonal to the plane (P). 前記クランクピン（７２）は、前記平面（Ｐ）に直交するクランクピン軸（ＤＧ）周りに旋回対称性を有することを特徴とする、請求項１に記載のムーブメント（５００）。   The movement (500) according to claim 1, characterized in that the crankpin (72) has a rotational symmetry about a crankpin axis (DG) orthogonal to the plane (P). 前記クランクピンは、前記平面（Ｐ）に平行なクランクピン軸（ＤＧ）周りに旋回対称性を有することを特徴とする、請求項１に記載のムーブメント（５００）。   The movement (500) according to claim 1, characterized in that the crankpin has a rotational symmetry about a crankpin axis (DG) parallel to the plane (P). 前記クランクピン（７２）は、前記クランクピン軸（ＤＧ）周りに旋回し前記クランクピン軸（ＤＧ）周りを自由に回転する滑り子（７４）を含み、前記滑り子（７４）の縁部は、前記軌道（８２）に沿って進行することを特徴とする、請求項１に記載のムーブメント（５００）。   The crank pin (72) includes a slider (74) that pivots about the crank pin axis (DG) and freely rotates around the crank pin axis (DG), and an edge of the slider (74) is 2. Movement (500) according to claim 1, characterized in that it travels along the trajectory (82). 前記軌道（８２）上を進行する前記クランクピン（７２）の部分は、ルビーから作製することを特徴とする、請求項１に記載のムーブメント（５００）。   2. Movement (500) according to claim 1, characterized in that the part of the crankpin (72) traveling on the track (82) is made of ruby. 前記軌道（８２）は、前記剛性リング（８）の内側軌道であり、前記剛性リング（８）は、内側に、前記輪郭（８２）からある距離でハブ（８３）を含み、前記ハブ（８３）は、前記軌道（８２）と共に、前記クランクピン（７２）を内部で移動させる溝（８４）を画定し、前記溝（８４）は、衝撃の際、又は前記共振器（１００）の２つの自由度の間の位相偏移の際に前記クランク（７）と前記共振器（１００）との間のあらゆる断絶を防止する安全デバイスを形成することを特徴とする、請求項１に記載のムーブメント（５００）。   The track (82) is an inner track of the rigid ring (8), and the rigid ring (8) includes a hub (83) at a distance from the contour (82) on the inside, the hub (83 ) Defines, along with the track (82), a groove (84) that moves the crank pin (72) therein, the groove (84) in the event of an impact or two of the resonator (100). Movement according to claim 1, characterized in that it forms a safety device that prevents any disconnection between the crank (7) and the resonator (100) during a phase shift between degrees of freedom. (500). 前記軌道（８２）は、前記剛性リング（８）の内側軌道であり、前記剛性リング（８）は、内側に、前記輪郭（８２）からある距離でハブ（８３）を含み、前記ハブ（８３）は、前記軌道（８２）と共に、前記クランクピン（７２）を内部で移動させる溝（８４）を画定し、前記溝（８４）は、衝撃の際、又は前記共振器（１００）の２つの自由度の間の位相偏移の際に前記クランク（７）と前記共振器（１００）との間のあらゆる断絶を防止する安全デバイスを形成すること、並びに前記軌道（８２）及び前記ハブ（８３）は同心であることを特徴とする、請求項５に記載のムーブメント（５００）。   The track (82) is an inner track of the rigid ring (8), and the rigid ring (8) includes a hub (83) at a distance from the contour (82) on the inside, the hub (83 ) Defines, along with the track (82), a groove (84) that moves the crank pin (72) therein, the groove (84) in the event of an impact or two of the resonator (100). Forming a safety device to prevent any disconnection between the crank (7) and the resonator (100) during a phase shift between degrees of freedom, and the track (82) and the hub (83) ) Is a concentric movement (500) according to claim 5. 前記共振器機構（１００）の前記２つの自由度は、前記リング（８）を含む前記共振器（１００）の慣性要素（２）の慣性中心（Ｃ）周りの回転であることを特徴とする、請求項１に記載のムーブメント（５００）。   The two degrees of freedom of the resonator mechanism (100) is a rotation around the center of inertia (C) of the inertia element (2) of the resonator (100) including the ring (8). The movement (500) of claim 1. 第１の自由度（ＤＤＬ１）における前記共振器機構（１００）の発振期間、及び第２の自由度（ＤＤＬ２）における前記共振器機構（１００）の発振期間は、実質的に同一であることを特徴とする、請求項１に記載のムーブメント（５００）。   The oscillation period of the resonator mechanism (100) in the first degree of freedom (DDL1) and the oscillation period of the resonator mechanism (100) in the second degree of freedom (DDL2) are substantially the same. The movement (500) according to claim 1, characterized in. 前記共振器機構（１００）は、前記リング（８）を含む慣性要素（２）を含み、前記慣性要素は、慣性及び不平衡を調節する慣性ブロックを含むことを特徴とする、請求項１に記載のムーブメント（５００）。   The resonator mechanism (100) comprises an inertial element (2) comprising the ring (8), wherein the inertial element comprises an inertial block for adjusting inertia and imbalance. The movement (500) described. 前記共振器機構（１００）は、前記リング（８）に強固に接続した単一の慣性要素（２）を含むことを特徴とする、請求項１に記載のムーブメント（５００）。   The movement (500) according to claim 1, characterized in that the resonator mechanism (100) comprises a single inertial element (2) firmly connected to the ring (8). 前記共振器機構（１００）は、２つの慣性要素（２Ａ；２Ｂ）を含み、前記２つの慣性要素（２Ａ；２Ｂ）は、４分の１期間の時間位相偏移を伴って発振し、それぞれ、関係する前記慣性要素（２Ａ；２Ｂ）が発振する方向に直交する方向で、前記リング（８）に可撓接続していることを特徴とする、請求項１に記載のムーブメント（５００）。   The resonator mechanism (100) includes two inertia elements (2A; 2B), and the two inertia elements (2A; 2B) oscillate with a time phase shift of a quarter period, The movement (500) according to claim 1, characterized in that it is flexibly connected to the ring (8) in a direction perpendicular to the direction in which the inertia elements (2A; 2B) concerned oscillate. 各前記慣性要素（２Ａ；２Ｂ）は、交差条片（３１、３２）を有する可撓性軸受により前記地板（１）に接続し、前記交差条片（３１、３２）は、関係する前記慣性要素（２Ａ；２Ｂ）の慣性中心（ＣＩ）通過する仮想回転軸を画定することを特徴とする、請求項１８に記載のムーブメント（５００）。   Each said inertial element (2A; 2B) is connected to said ground plate (1) by a flexible bearing having crossed strips (31, 32), said crossed strips (31, 32) being related to said inertia 19. Movement (500) according to claim 18, characterized in that it defines a virtual axis of rotation through the center of inertia (CI) of the element (2A; 2B). 前記２つの自由度を有する共振器機構（１００）は、可撓性軸受を有する共振器であり、前記可撓性軸受は、可撓性条片を備え、前記可撓性条片は、前記共振器（１００）の少なくとも１つの慣性要素（２）及び／又は前記リング（８）を案内し、前記慣性要素（２）及び／又は前記リング（８）の弾性戻りを保証するように構成することを特徴とする、請求項１に記載のムーブメント（５００）。   The resonator mechanism (100) having the two degrees of freedom is a resonator having a flexible bearing, and the flexible bearing includes a flexible strip, and the flexible strip includes the flexible strip. Guide the at least one inertial element (2) and / or the ring (8) of the resonator (100) to ensure an elastic return of the inertial element (2) and / or the ring (8) The movement (500) according to claim 1, characterized in that. 前記可撓性条片は、エリンバから作製することを特徴とする、請求項２０に記載のムーブメント（５００）。   21. A movement (500) according to claim 20, characterized in that the flexible strip is made from Elinba. 前記可撓性条片は、温度による影響を補償するように酸化シリコンから作製することを特徴とする、請求項２０に記載のムーブメント（５００）。   21. Movement (500) according to claim 20, characterized in that the flexible strip is made of silicon oxide so as to compensate for the influence of temperature. 請求項１に記載の少なくとも１つのムーブメント（５００）を含む機械式時計（１０００）。   A mechanical timepiece (1000) comprising at least one movement (500) according to claim 1.
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